netdev - Re: [Patch net-next v4 3/5] vxlan: add ipv6 support

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Date:	Wed, 17 Apr 2013 21:18:12 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Mike Rapoport <mike.rapoport@...ellosystems.com>
Cc:	netdev@...r.kernel.org, David Stevens <dlstevens@...ibm.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [Patch net-next v4 3/5] vxlan: add ipv6 support

On Wed, 2013-04-17 at 13:36 +0300, Mike Rapoport wrote:
> Well, I think that the address comparison helpers,
> vxlan_nla_{get,put}_addr, vxlan_newlink and vxlan_fill_info can be
> left with run-time checks only. Maybe some other places as well.
> Removing the ifdefs will increase compile time for kernels configured
> with IPV6=n, and may have certain run-time performance impact for such
> kernels. On the other hand, less ifdefs means better readability :).

In theory, yes; in this case, I don't think having these ifdefs harms
the readability.


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